Today in Cubs history: The Cubs trade for Ryne Sandberg - Bleed Cubbie Blue
1987 Topps with Traded Chicago Cubs Team Set with Ryne Sandberg & Rafael Palmeiro RC - (No Maddux RC) - 32 MLB Cards : Collectibles & Fine Art
This Day in Transaction History: Phillies trade Ferguson Jenkins to Cubs - NBC Sports
Chicago Tribune
10 biggest trades in Cubs history
Ryne Sandberg: Breaking News, Rumors & Highlights
Cubs historical sleuthing: Wrong name edition - Bleed Cubbie Blue
Cubs historical sleuthing: Wrong name edition - Bleed Cubbie Blue
Today in Cubs history: The Cubs trade for Ryne Sandberg - Bleed Cubbie Blue
34 years ago the Cubs traded for Ryne Sandberg - Chicago Sun-Times